Navigate to Data⇒Production⇒Part
Locate the part you wish to amend, using the Search function if required. Double click on the part that you want to up-issue.
On the part detail screen click the Issue button.
Enter the new issue in the Drawing Issue field and click Save.
You will be asked if you want to copy previous routes, click Yes if the issue change has not affected production methods and you wish to retain the associated route(s). Click No if the issue change includes any change to production and a new route is required or Cancel to discard the issue change